Date: Sat, 18 Jun 2005 17:35:33 +0200 From: Christian Hiris <4711@chello.at> To: freebsd-questions@freebsd.org Cc: Steve Bertrand <iaccounts@ibctech.ca>, 'Titus von Boxberg' <ut@bhi-hamburg.de> Subject: Re: Booting with multiple RAID1 configs Message-ID: <200506181736.01857.4711@chello.at> In-Reply-To: <20050618145311.A8FEB43D1D@mx1.FreeBSD.org> References: <20050618145311.A8FEB43D1D@mx1.FreeBSD.org>
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--nextPart4743298.DrGMz3MWmg Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline On Saturday 18 June 2005 16:51:16, Steve Bertrand wrote: > Hence, the aftermath on a properly booted system: > > pearl# atacontrol status 1 > ar1: ATA RAID1 subdisks: ad4 ad6 status: READY > > pearl# atacontrol status 0 > ar0: ATA RAID1 subdisks: ad2 ad0 status: READY > > pearl# df -h > > Filesystem Size Used Avail Capacity Mounted on > /dev/ar1s1a 246M 185M 41M 82% / > /dev/ar1s1g 38G 9.7G 26G 27% /home > /dev/ar1s1e 38G 3.3G 32G 9% /usr > /dev/ar1s1f 29G 7.9G 19G 30% /var > procfs 4.0K 4.0K 0B 100% /proc > > I must add that atacontrol is such a much simpler RAID manipulation tool > than vinum. I haven't done any redundancy checks or anything as of yet, > but it almost seems too good to be in the base system :) Just a hint: Try out what happens if you disconnect one drive of each of yo= ur=20 raid-arrays and you are rebooting the machine afterwards. I had some bad=20 experience in the past with dual-ataraid configurations where the ataraid=20 driver mixed up devices in case of an array breakage. I ended up with gmirr= or=20 which stores its raid config data on disk. This means gmirror takes care of= =20 which disk belongs to which array. It is able to work independent of any=20 controller/channel to disk mapping. Cheers ch =2D-=20 Christian Hiris <4711@chello.at> | OpenPGP KeyID 0x3BCA53BE=20 OpenPGP-Key at hkp://wwwkeys.eu.pgp.net and http://pgp.mit.edu --nextPart4743298.DrGMz3MWmg Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.1 (FreeBSD) iD8DBQBCtD9h09WjGjvKU74RAjH7AJ9Nw74SLNtiZhGa1dGmqV7pEyB+FgCfd4AX T6RerRByJc16QxVtYXFE8is= =6UV0 -----END PGP SIGNATURE----- --nextPart4743298.DrGMz3MWmg--
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